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<DIV><FONT face=Arial size=2>Hello,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV><FONT face=Arial size=2>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I am trying to compare the pros and
cons of using either a waterside economizer or an airside economizer using
DOE2.1E. A trivial exercise, however I was surprised to see the DOE reports
water side economizer to be slightly more efficient. Which does not really make
sense to me. Anyone can share her/his experience in dealing with economizers in
DOE2.1E</SPAN><?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office" /><o:p></o:p></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT
face="Times New Roman"> <o:p></o:p></FONT></FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thank you,</SPAN><o:p></o:p></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Konstantin
Babets</SPAN><o:p></o:p></P>
<DIV><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">Jaros
Baum and Bolles</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2>(212) 530 9455</FONT></DIV><PRE>
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